This is my body, and I can do whatever I want to it. I can push it. Study it. Tweak it. Listen to it. Everybody wants to know what I'm on. What am I on? I'm on my bike busting my ass six hours a day. …

I have this friend that is in a nasty battle with testicular / brain cancer. For seven months this has been going on. A orchiectomy, several rounds of chemo, then a seizure, brain surgery, maybe some …